Question about Hitachi 50UX58K 50" Rear Projection Television

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The picture seems to be blurry or out of focus

Tried to manual adjust contrast and sharpness also tried auto focus but no good

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  • stevemuch Jan 26, 2009

    if I find any information on a solution I will post it.

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Thats how mine is. I don`t know who to ask how to fix it.

Posted on Jan 26, 2009

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Posted on Jan 02, 2017

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Mitsubishi WS-65611 Repair kit from TV-Repairkits.com no fix.....


I have a few ideas but they all will require some more information from you. I know these sets very well-if you fixed the convergence problem my hat is off to you--it can be a do it yourself job but not the most easy set to do it on.

Let me assume you adjusted the convergence in the customer mode--it does on any of the HD models have to be adjusted in the regular and then the HD modes.

The only other thing here that may be the problem is FOCUS. A simple way to determine this is to remove the back cover--turn the set on and call up the advanced convergence grid---then cover the lens for each tube one at a time--with red and blue lens covered are the lines in sharp focus or look blurry?

Repeat this with only red or blue not covered and see what you think--if one of the tubes is out of focus you will see it there--

There is also a TECH menu for adjusting the convergence-like the customer menu but it saves the adjustments into the set's memory--you will need to hit menu and a four digit code based on the actual model number of the set.

Check to see if focus is or is not your problem-easy to tell--green, red, blue lines will either be sharp or out of focus--if out ask and I will tell you the simple way to adjust that.

If this information has helped you rate this solution as I do this here for free.

SD TECH

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Dec 22, 2009 | Mitsubishi WS-65611 65" Rear Projection...

2 Answers

How do I adjust the HD quality for a crisper picture? I have tried Magic Focus, but need to know where the sharpness or contrast can be tweeked .


The magic focus function is to electronically align the red, green and blue beams. So all it can cure is colored ghosts. The contrast, brightness and sharpness adjustments are in the customer menu settings. With the remote just push menu and select video or picture adjustments. Those adjustments are in there.

Jun 11, 2009 | Hitachi 57F500 57" Rear Projection...

2 Answers

The picture is blurry. does anyone have a solution to this or has anyone had a similar problem.


I have a blurry screen and the top of it the picture is curved a bit. I was told to adjust the focus knob but I don't know where that is in the back of the TV. I took off the back and couldn't find it. I also tried to adjust the manual convergence and the red would not adjust only the blue would align. Any suggestions.

Nov 05, 2008 | Samsung HCM422W 42" Rear Projection...

1 Answer

Samsung Rear Projection Problem (not convergence)


The tv has 2 focus adjustments for each tube, mechanical and electrical.

1. Mechanical focus is set by looking at screen from back (through inspection plate on back of most samsungs) and rotating the lens assembly on CRT. loosen wing nut and turn lens assembly to go through focus and back to best position.

Put convergence pattern on screen and manually misadjust bottom red and green lines convergence so they can be seen through inspection hole.

With back cover of TV off you can usually reach your hand up beside the lens assembly to loosen the wing nut then rotate to adjust. Green is in the middle. The focus will be obvious when you rotate and look

When you are finished make sure the foam dust protector is not over any of the lens assemblies and the wing nut is tight.

2. Electrical focus - located at front of unit. the front grille/speaker cover is removed and maybe a cover over the front crt inspection hole.

In the inspection hole there is a black plastic "Focus/screen adjust Assembly" with 2 rows of 3 controls.

One row is focus and the other is screen. The middle controls are for green with R/B on either side. Usually the controls are labelled as "focus" and "screen". You want to adjust the focus controls, one for each color. Look for the focus or screen label imprinted in the plastic. Don't play with the screen settings.

With the same misadjusted convergence pattern you can see a red, blue and green line. Adjust green focus and watch green line for best focus. Do same for other 2.

Screen adjustments are very exact and delicate. The easiest way to deal with them is to turn color off in Customer adjust menu. Put any color tone adjustments in the middle (low, med, high, put at med).

You should have a b/w picture if there are no crt or other color related faults. If it is close to B/W leave screens alone.

If the pix is too green, then the green screen setting must be reduced a small amount. Do not play with these adjustments as most TV repairrers have a difficult time adjusting them.

If focus adjustments don't help then focus control or CRT may be defective. Needs expert to determine.

easyab

http://calgaryconvergencerepair.weebly.com/convergence-ics.html


Jun 24, 2008 | Samsung HCM4216W 42" Rear Projection...

2 Answers

Screen picture is very blurry


you may have higt voltage block goin bad this a job for experienced technician becouse replacing the hv block you may brake one of the picture tubes

Mar 24, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

2 Answers

Picture changes focus/sharpness instantly and then recorrects


Hi

You can try and get more infornation for me.

Go into the the menu by pressing the WEGA GATE button on the remote. In the sub menu of picture adjustment switch the DRC-MF setting to off. It should read normal.

See if this stoppes your focus problem.

If it changes let me know for further directions.

Feb 24, 2008 | Sony KP-57WS500 57" Rear Projection...

1 Answer

My picture isn't clear what to do


check ur t.v frm repairer or set brightnes as 85 & contrast as 90

Nov 20, 2007 | Televison & Video

2 Answers

Dark , blurry picture


MTNESTR, My guess would be the FBT loc.TH01(flyback transformer) Hitachi p/n#BW03004 which would be far less expensive than replacing the entire deflection board... A shop could ring test the FBT to confirm the failure. I do know the FBT in this unit has an internal resistor that is prone to failure. It is in-line with the focus block and if it's open it would explain the blur and lack of screen voltage to light the crts properly. The deflection board is about $290-$350 plus shipping and a FBT is somewhere between $60 - $90 depending on the supplier. Hope this helps! Bill

Jun 04, 2007 | Hitachi 46F510 46" Projection HDTV

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